Respuestas
Respuesta dada por:
13
Ejercicio 1
x-15 = -27
x = -27+15
x = -12
Comprobación
-12-15 = -27
-27 = -27
Ejercicio 2
-11x+12 = 144
-11x = 144-12
-11x = 132
x = 132/-11
x = -12
Comprobación
-11(-12)+12 = 144
132+12 = 144
144 = 144
Ejercicio 3
-8x-15 = -111
-8x = -111+15
-8x = -96
x = -96/-8
x = 12
Comprobación
-8(12)-15 = -111
-96-15 = -111
-111 = -111
Ejercicio 4
6x-10 = -16
6x = -16+10
6x = -6
x = -6/6
x = -1
Comprobación
6(-1)-10 = -16
-6-10 = -16
-16 = -16
Ejercicio 5
-15x-6 = 9
-15x = 9+6
-15x = 15
x = 15/-15
x = -1
Comprobación
-15(-1)-6 = 9
15-6 = 9
9 = 9
Ejercicio 6
12x+12 = 72
12x = 72-12
12x = 60
x = 60/12
x = 5
Comprobación
12(5)+12 = 72
60+12 = 72
72 = 72
Ejercicio 7
-10x+9 = -81
-10x = -81-9
-10x = -90
x = -90/-10
x = 9
Comprobación
-10(9)+9 = -81
-90+9 = -81
-81 = -81
Ejercicio 8
5x-15 = 15
5x = 15+15
5x = 30
x = 30/5
x = 6
Comprobación
5(6)-15 = 15
30-15 = 15
15 = 15
Ejercicio 9
2x-13 = -19
2x = -19+13
2x = -6
x = -6/2
x = -3
Comprobación
2(-3)-13 = -19
-6-13 = -19
-19 = -19
Ejercicio 10
7x+5 = -100
7x = -100-5
7x = -105
x = -105/7
x = -15
Comprobación
7(-15)+5 = -100
-105+5 = -100
-100 = -100
Ejercicio 11
-12x-15 = 9
-12x = 9+15
-12x = 24
x = 24/-12
x = -2
Comprobación
-12(-2)-15 = 9
24-15 = 9
9 = 9
Ejercicio 12
5x-14 = -74
5x = -74+14
5x = -60
x = -60/5
x = -12
Comprobación
5(-12)-14 = -74
-60-14 = -74
-74 = -74
Ejercicio 13
13x-13 = 169
13x = 169+13
13x = 182
x = 182/13
x = 14
Comprobación
13(14)-13 = 169
182-13 = 169
169 = 169
Ejercicio 14
x-3 = -13
x = -13+3
x = -10
Comprobación
-10-3 = -13
-13 = -13
Ejercicio 15
6x+10 = -38
6x = -38-10
6x = -48
x = -48/6
x = -8
Comprobación
6(-8)+10 = -38
-48+10 = -38
-38 = -38
Ejercicio 16
6x-9 = -27
6x = -27+9
6x = -18
x = -18/6
x = -3
Comprobación
6(-3)-9 = -27
-18-9 = -27
-27 = -27
Ejercicio 17
-3x+3 = -33
-3x = -33-3
-3x = -36
x = -36/-3
x = 12
Comprobación
-3(12)+3 = -33
-36+3 = -33
-33 = -33
Ejercicio 18
-4x+8 = 4
-4x = 4-8
-4x = -4
x = -4/-4
x =
Comprobación
-4(1)+8 = 4
-4+8 = 4
4 = 4
Ejercicio 19
-14x-7 = 77
-14x = 77+7
-14x = 84
x = 84/-14
x = -6
Comprobación
-14(-6)-7 = 77
84-7 = 77
77 = 77
Ejercicio 20
8x-5 = -109
8x = -109+5
8x = -104
x = -104/8
x = -13
Comprobación
8(-13)-5 = -109
-104-5 = -109
-109 = -109
Ejercicio 21
2x+6 = -12
2x = -12-6
2x = -18
x = -18/2
x = -9
Comprobación
2(-9)+6 = -12
-18+6 = -12
-12 = -12
Ejercicio 22
-13x-6 = -97
-13x = -97+6
-13x = -91
x = -91/-13
x = 7
Comprobación
-13(7)-6 = -97
-91-6 = -97
-97 = -97
Ejercicio 23
-12x-14 = -14
-12x = -14+14
-12x = 0
x = 0/-12
x = 0
Comprobación
-12(0)-14 = -14
0-14 = -14
-14 = -14
Ejercicio 24
8x+14 = -2
8x = -2-14
8x = -16
x = -16/8
x = -2
Comprobación
8(-2)+14 = -2
-16+14 = -2
-2 = -2
Ejercicio 25
-12x+14 = 98
-12x = 98-14
-12x = 84
x = 84/-12
x = -7
Comprobación
-12(-7)+14 = 98
84+14 = 98
98 = 98
Ejercicio 26
4x+11 = -29
4x = -29-11
4x = -40
x = -40/4
x = -10
Comprobación
4(-10)+11 = -29
-40+11 = -29
-29 = -29
Ejercicio 27
-10x+5 = 35
-10x = 35-5
-10x = 30
x = 30/-10
x = -3
Comprobación
-10(-3)+5 = 35
30+5 = 35
35 = 35
Ejercicio 28
14x+13 = -71
14x = -71-13
14x = -84
x = -84/14
x = -6
Comprobación
14(-6)+13 = -71
-84+13 = -71
-71 = -71
Ejercicio 29
-4x+9 = 33
-4x = 33-9
-4x = 24
x = 24/-4
x = -6
Comprobación
-4(-6)+9 = 33
24+9 = 33
33 = 33
Ejercicio 30
x-8 = -17
x = -17+8
x = -9
Comprobación
-9-8 = -17
-17 = -17
Ejercicio 31
-3x+3 = -30
-3x = -30-3
-3x = -33
x = -33/-3
x = 11
Comprobación
-3(11)+3 = -30
-33+3 = -30
-30 = -30
Ejercicio 32
11x+3 = 58
11x = 58-3
11x = 55
x = 55/11
x = 5
Comprobación
11(5)+3 = 58
55+3 = 58
58 = 58
Ejercicio 33
x-15 = -5
x = -5+15
x = 10
Comprobación
10-15 = -5
-5 = -5
Ejercicio 34
-5x-8 = -3
-5x = -3+8
-5x = 5
x = 5/-5
x = -1
Comprobación
-5(-1)-8 = -3
5-8 = -3
-3 = -3
Ejercicio 35
-2x+13 = -11
-2x = -11-13
-2x = -24
x = -24/-2
x = 12
Comprobación
-2(12)+13 = -11
-24+13 = -11
-11 = -11
Ejercicio 36
8x+12 = -12
8x = -12-12
8x = -24
x = -24/8
x = -3
Comprobación
8(-3)+12 = -12
-24+12 = -12
-12 = -12
Ejercicio 37
9x-9 = -72
9x = -72+9
9x = -63
x = -63/9
x = -7
Comprobación
9(-7)-9 = -72
-63-9 = -72
-72 = -72
Ejercicio 38
-9x+13 = 94
-9x = 94-13
-9x = 81
x = 81/-9
x = -9
Comprobación
-9(-9)+13 = 94
81+13 = 94
94 = 94
Ejercicio 39
x+14 = 17
x = 17-14
x = 3
Comprobación
3+14 = 17
17 = 17
Ejercicio 40
3x-13 = -1
3x = -1+13
3x = 12
x = 12/3
x = 4
Comprobación
3(4)-13 = -1
12-13 = -1
-1 = -1
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